Cooled piston for internal combustion engines
AssigneeMahle GmbH
InventorsDetlef Jacobi, Rolf Wellandt
Life of this patent
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Abstract
The invention relates to a cooled piston for internal combustion engines. The inventive piston is provided with an annular cooling channel on the periphery of the piston head. Said cooling channel, at its end that is open towards the piston shaft, is closed by a correspondingly shaped wall part that is radially split at least once. The aim of the invention is to improve the supply of cooling oil in the cooling channel. To this end, the wall part at the end allocated to the split is provided with a respective recess and with an upturned S-bend section that serves to deflect the cooling oil jet.
Claims8
A cooled piston for internal combustion engines with a cooling channel extending all around in the piston crown in the form of a ring, said cooling channel being closed at its end that is open toward the piston shaft, by a correspondingly shaped wall part that is secured on the piston and radially split at least once, characterized in that the wall part (5) has at least one part piece aligned inclined in relation to the cooling oil jet serving for deflecting the latter.
Dependencies are inferred from the claim text.